US3286309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for horizontal casting of ingots
Assignee: Alcoa Corp
•
Filing: 1963-06-06
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Granted: 1966-11-22
•
Expires: 1983-06-06
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Brondyke
- 👤 Richard T Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:21
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/045; B22D11/047
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
36 words
THE METHOD OF CONTINUOUSLY CASTING INGOTS IN A HORIZONTALLY DISPOSED CHILLED, MOLD OPEN AT ONE END AND CLOSED AT THE OPPOSITE END WITH A HEAT INSULATING MEMBER EXCEPT FOR AN OPENING THEREIN FOR PASSAGE THERETHROUGH OF
Claim 2
Independent Claim
36 words
THE METHOD OF CONTINUOUSLY CASTING INGOTS IN A HORIZONTALLY DISPOSED CHILLED, MOLD OPEN AT ONE END AND CLOSED AT THE OPPOSITE END WITH A HEAT INSULATING MEMBER EXCEPT FOR AN OPENING THEREIN FOR PASSAGE THERETHROUGH OF
Claim 3
Dependent Claim
175 words
APPARATUS FOR THE CONTINUOUS CASTING OF AN INGOT IN A HORIZONTALLY DISPOSED MOLD HAVING INTERNALLY CHILLLED WALLS COMPRISING AN OPEN TOP MOLTEN METAL RESERVOIR, A COMMON WALL OF REFRACTORY HEAT INSULATIVE MATERIAAL BETWEEN SAID RESERVOIR AND SAID MOLD EXCEPT FOR A GATE OPENING FOR PASSAGE OF MOLTEN METAL FROM SAID RESERVOIR TO SAID MOLD, SAID GATE OPENING BEING LONG AND NARROW AND GENERALLY CONFORMING TO THE SHAPE OF AND CONFINED TO SUBSTANTIALLY THE LOWER HALF SECTION OF THE INNER MOLD WALL, SAID GATE OPENING ALSO BEING SPACED INWARDLY FROM SAID WALL BUT IN CLOSE PROXIMITY THERETO, MEANS FOR SUPPLYING LUBRICANT TO THE INNER MOLD WALL AT THE HEAD END OF SAID MOLD, SAID MOLD HAVING A COOLANT CHAMBER WITHIN THE WALLS THEREOF AND A PASSAGEWAY FROM THE CHAMBER TO THE EXIT END OF THE MOLD TERMINATING OUTWARDLY OF THE INNER MOLD WALL SURFACE, SAID PASSAGEWAY ALSO CONVERGING TOWARD THE EXIT END OF THE MOLD WHEREBY THE COOLANT IS DISCHARGED UPON THE INGOT EMERGING FROM THE MOLD, AND MEANS FOR WITHDRAWING THE INGOT FROM THE MOLD.
Claim 4
Dependent Claim
175 words
APPARATUS FOR THE CONTINUOUS CASTING OF AN INGOT IN A HORIZONTALLY DISPOSED MOLD HAVING INTERNALLY CHILLLED WALLS COMPRISING AN OPEN TOP MOLTEN METAL RESERVOIR, A COMMON WALL OF REFRACTORY HEAT INSULATIVE MATERIAAL BETWEEN SAID RESERVOIR AND SAID MOLD EXCEPT FOR A GATE OPENING FOR PASSAGE OF MOLTEN METAL FROM SAID RESERVOIR TO SAID MOLD, SAID GATE OPENING BEING LONG AND NARROW AND GENERALLY CONFORMING TO THE SHAPE OF AND CONFINED TO SUBSTANTIALLY THE LOWER HALF SECTION OF THE INNER MOLD WALL, SAID GATE OPENING ALSO BEING SPACED INWARDLY FROM SAID WALL BUT IN CLOSE PROXIMITY THERETO, MEANS FOR SUPPLYING LUBRICANT TO THE INNER MOLD WALL AT THE HEAD END OF SAID MOLD, SAID MOLD HAVING A COOLANT CHAMBER WITHIN THE WALLS THEREOF AND A PASSAGEWAY FROM THE CHAMBER TO THE EXIT END OF THE MOLD TERMINATING OUTWARDLY OF THE INNER MOLD WALL SURFACE, SAID PASSAGEWAY ALSO CONVERGING TOWARD THE EXIT END OF THE MOLD WHEREBY THE COOLANT IS DISCHARGED UPON THE INGOT EMERGING FROM THE MOLD, AND MEANS FOR WITHDRAWING THE INGOT FROM THE MOLD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |